Last seen: Oct 23, 2025
@bontwoody the non standard part of my house is that it is an old stone building with 600mm thick walls some of which are external but due to two exte...
@ashp-bobba I think the starting point was soaking up the patsy who qualified for the £10K grant in 2020 and then added more....I have learned to figh...
The advantage being that the unit is in the sun for most of the year (morning sun) so any chance of a bit of extra heat in the air might offset a bit ...
Thanks for the video. The important sentence was that external pipework in the insulating tube loses 7watts of heat per linear metre. Making the loss ...
I will have to guess that it will be 45C in the depths of winter but it is more complicated than just a new install.I intend to heat part of my house,...
I have many spreadsheets full of heat loss data, all diffferent, all dependent on the guess work of experts, none of which are trustworthy or beleavea...
@derek-m I've been trying to think of a solution to this. Apparently the inner wall and outer stone is not suitable for cavity insulation. I was wonde...
@sunandair "Quite how they manage to provide a quote (not an estimate) on very scanty details collected online is quite beyond me. Maybe it is so t...
Latest Posts
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RE: Post-Traumatic Heat Pump Stress Disorder
@jamespa Hi James - thanks so much! That sounds like ut...
By johnbroome , 9 minutes ago
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RE: Heat pump not reaching flow temperature
@jamespa system design was for 40 degrees FT at -2 degr...
By DaveC , 28 minutes ago
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RE: GSHP WOES! Midland based engineer recommendations?
@editor That is very kind! Thank you so much.
By johnbroome , 33 minutes ago
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RE: Setback savings - fact or fiction?
I've now calculated the minute by minute energy flows d...
By cathodeRay , 35 minutes ago
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RE: Considering MLCP (Multi-Layer Composite Pipe) for ASHP
@iotum, this is a really good question and you’re right...
By Mars , 37 minutes ago
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RE: Recommended home battery inverters + regulatory matters - help requested
That matches the TN-C-S diagram here Your post crosse...
By JamesPa , 38 minutes ago
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RE: Rate the quality of your heat pump design and installation
@razz stick with it. There's loads of advice on here. ...
By Stopbar , 2 hours ago
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RE: ASHP Energy Consumption: Aira 12kW heat pump
@wally Hi I am not sure how large your house is b...
By TechnoGeek , 2 hours ago
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Please help with the settings ecodan
I have a 160 square meter house, first floor 6 radiator...
By nose1972 , 2 hours ago
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RE: Predicted Heat Loss & Needs from MCS calcs vs EPC vs actual
I've been thinking along similar lines to @tim441 from ...
By Sheriff Fatman , 2 hours ago
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Thanks, @technogeek. Good to hear about the accuracy. ...
By Majordennisbloodnok , 3 hours ago
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RE: Advice for a novice on Mitsubishi Ecodan 6kW
In my case it was a very specific pattern of behaviour ...
By Sheriff Fatman , 3 hours ago
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RE: Vaillant aroTherm not heating with many faults
@ashp-bobba Yeah I'll give it a go, will check filter...
By Anon67 , 3 hours ago
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RE: RDSAP10 effect on existing heat pump EPC rating?
@transparent Perhaps the names at the end of the docume...
By Toodles , 3 hours ago
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RE: Heatpunk Floor plan issues
@jamiejones85 A2A they will design on dynamic heat loss...
By ASHP-BOBBA , 4 hours ago
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RE: Fan unit Making terrible noise HELP!!
can you post a video looking inside, at and through the...
By ASHP-BOBBA , 4 hours ago
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RE: Power outages and storms: A surprisingly good DNO experience
Agreed, which is no more nor less than a customer shoul...
By Majordennisbloodnok , 22 hours ago
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RE: Running from backup generaor in powercut?
@batpred In our case, 3 times each day when the Octopus...
By Toodles , 22 hours ago
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RE: New Fogstar 15.5kWh upright solution
@batpred Here's the latest Fogstar ready built pack....
By Bash , 24 hours ago
